<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>06-案例-进度条效果</title>
    <style>
    .progress {
        height: 25px;
        width: 400px;
        border-radius: 15px;
        background-color: #272425;
        border: 3px solid #272425;
        box-sizing: border-box;
        margin-bottom: 30px;
    }
    .inner {
        width: 50%;
        height: 20px;
        border-radius: 10px;
        text-align: right;
        position: relative;
        background-color: #409eff;
        background-size: 20px 20px;
        box-sizing: border-box;
        transition: all 1s;
    }
    .inner span {
        position: absolute;
        right: -20px;
        bottom: -25px;
    }
    </style>
</head>
<body>
    <div id="app">
        <!-- 外层盒子底色 黑色的 -->
        <div class="progress">
            <!-- 内层盒子 - 进度（蓝色） -->
          <div class="inner" :style="{ width:percent + '%' }">
            <span>{{percent}}%</span>
          </div>
        </div>
        <button @click="percent=25">设置25%</button>
        <button @click="percent=50">设置50%</button>
        <button @click="percent=70">设置75%</button>
        <button @click="percent=100">设置100%</button>
      </div>

    <script src="https://cdn.jsdelivr.net/npm/vue@2.7.16/dist/vue.js"></script>

    <script>
        const app = new Vue({
            el:'#app',
            data:{
                percent:30
            }
        })
    </script>
</body>
</html>